Individual Testing of Dissipative Buckling Restrained Braces

Abstract eng:
This work presents the results of experiments on four prototype buckling restrained braces. The devices were designed and built by the authors; consist basically of a steel cylinder as dissipative core and a steel tube filled with mortar as buckling restrainer casing. The design and production issues are accounted for in an integrated way and all the adopted technical solutions are fully explained. The experiments consist of imposing to the prototype devices axial cycling strain up to failure. The results of the tests are deeply described and discussed. The main conclusion of this work is that it is possible to obtain a reasonably cheap, efficient, robust, low maintenance and durable prototype device requiring only a low-tech production process.

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